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| author | Theodore Ts'o <tytso@mit.edu> | 2012-07-22 20:25:31 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2012-07-22 20:25:31 -0400 |
| commit | 3108b54bcedde5d952c90460df5bc21efc1e134f (patch) | |
| tree | 7adb071d689b93960069666f8d03bbafb629b93c | |
| parent | 8a9918497bcf5aaa8d45eb61c373605bc4e8c81f (diff) | |
| download | linux-stable-3108b54bcedde5d952c90460df5bc21efc1e134f.tar.gz linux-stable-3108b54bcedde5d952c90460df5bc21efc1e134f.tar.bz2 linux-stable-3108b54bcedde5d952c90460df5bc21efc1e134f.zip | |
ext4: remove dynamic array size in ext4_chksum()
The ext4_checksum() inline function was using a dynamic array size,
which is not legal C. (It is a gcc extension).
Remove it.
Cc: "Darrick J. Wong" <djwong@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
| -rw-r--r-- | fs/ext4/ext4.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h index 1610e808ebe3..e8e8afa402f1 100644 --- a/fs/ext4/ext4.h +++ b/fs/ext4/ext4.h @@ -1667,10 +1667,12 @@ static inline u32 ext4_chksum(struct ext4_sb_info *sbi, u32 crc, { struct { struct shash_desc shash; - char ctx[crypto_shash_descsize(sbi->s_chksum_driver)]; + char ctx[4]; } desc; int err; + BUG_ON(crypto_shash_descsize(sbi->s_chksum_driver)!=sizeof(desc.ctx)); + desc.shash.tfm = sbi->s_chksum_driver; desc.shash.flags = 0; *(u32 *)desc.ctx = crc; |